TY  - BOOK
AU  - Abraham,Herbert
TI  - Asphalts and allied substances: their occurrance, modes of production, uses in the arts and methods of testing 
U1  - 553.27 
PY  - 1945///
CY  - New York
PB  - D. Van Nostrand company, 
KW  - Asphalt
KW  - Bitumen
KW  - Bibliography
N1  - Paged continuously; includes index; v. 1. Raw materials and manufactured products.--v. 2. Methods of testing. Bibliography (p. 1511-1870)
ER  -